Place Value
How many ones blocks would you need to build the number 12?
You would need 2 ones blocks to build the number 12.
12 + 34 =
46
33 - 13 =
20
Paul comes to school with 15 new erasers. Duhitha gives him 10 more. How many erasers does Paul have?
25
What number is in the tens place in the number 931?
3.
23 + 23 =
46
44 - 12 =
32
28 oranges
How many tens are in the number 72?
How many ones are in the number 72?
7 tens.
2 ones.
33 + 66 =
99
48 - 21 =
27
Layna is going to give flowers to her mom. She wants to give her mom 99 flowers, but she only has 47. How many more flowers does she need to buy?
52 flowers
2.
67 + 32 =
99
59 - 14 =
45
Ayo went to a pond and saw 15 frogs. While she was eating lunch, 36 more frogs joined. Brady said he saw 31 less frogs than Ayo when he was there last week. How many frogs did Brady see?
20 frogs
897
89
74 - 53 =
21
It's Christmas day!
This year I got 9 presents from my mom, 62 presents from my sister, and 4 presents from my friends.
Elly said she got 21 more presents than me. How many did Elly get?
96 presents